.modal {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-color: #FFFFFF;
  height: 0;
  transform: translateY(100%);
  overflow: hidden;
  .content {
    margin-top: 180px;
    text-align: center;
    font-size: 14px;
    .refresh {
      position: absolute;
      bottom: 120px;
      left: 50%;
      transform: translateX(-50%);
      color: #888888;
      font-size: 14px;
      border: 2px solid #888888;
      border-radius: 10px;
      width: 130px;
      height: 42px;
      line-height: 42px;
    }
  }
}
.show {
  height: 100%;
  transform: translateY(0);
  animation: show 0.4s;
}
.hide {
  height: 0;
  transform: translateY(100%);
  overflow: hidden;
  animation: hide 0.4s;
}

@keyframes show {
  0% {
    height: 0;
    transform: translateY(100%);
  }
  1% {
    height: 100%;
    transform: translateY(100%);
  }
  100% {
    height: 100%;
    transform: translateY(0);
  }
}

@keyframes hide {
  0% {
    height: 100%;
    transform: translateY(0);
  }
  99% {
    height: 100%;
    transform: translateY(100%);
  }
  100% {
    height: 0;
    transform: translateY(100%);
  }
}
